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Title: sys.monitoring — Execution event monitoring — Python 3.15.0a5 documentation

Open Graph Title: sys.monitoring — Execution event monitoring

Description: This namespace provides access to the functions and constants necessary to activate and control event monitoring. As programs execute, events occur that might be of interest to tools that monitor e...

Open Graph Description: This namespace provides access to the functions and constants necessary to activate and control event monitoring. As programs execute, events occur that might be of interest to tools that monitor e...

Opengraph URL: https://docs.python.org/3/library/sys.monitoring.html

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og:image:alt	This namespace provides access to the functions and constants necessary to activate and control event monitoring. As programs execute, events occur that might be of interest to tools that monitor e...
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Links:

	https://www.python.org/
Table of Contents	https://docs.python.org/dev/contents.html
sys.monitoring — Execution event monitoring	https://docs.python.org/dev/library/sys.monitoring.html
Tool identifiers	https://docs.python.org/dev/library/sys.monitoring.html#tool-identifiers
Registering and using tools	https://docs.python.org/dev/library/sys.monitoring.html#registering-and-using-tools
Events	https://docs.python.org/dev/library/sys.monitoring.html#events
Local events	https://docs.python.org/dev/library/sys.monitoring.html#local-events
Deprecated event	https://docs.python.org/dev/library/sys.monitoring.html#deprecated-event
Ancillary events	https://docs.python.org/dev/library/sys.monitoring.html#ancillary-events
Other events	https://docs.python.org/dev/library/sys.monitoring.html#other-events
The STOP_ITERATION event	https://docs.python.org/dev/library/sys.monitoring.html#the-stop-iteration-event
Turning events on and off	https://docs.python.org/dev/library/sys.monitoring.html#turning-events-on-and-off
Setting events globally	https://docs.python.org/dev/library/sys.monitoring.html#setting-events-globally
Per code object events	https://docs.python.org/dev/library/sys.monitoring.html#per-code-object-events
Disabling events	https://docs.python.org/dev/library/sys.monitoring.html#disabling-events
Registering callback functions	https://docs.python.org/dev/library/sys.monitoring.html#registering-callback-functions
Callback function arguments	https://docs.python.org/dev/library/sys.monitoring.html#callback-function-arguments
sys — System-specific parameters and functions	https://docs.python.org/dev/library/sys.html
sysconfig — Provide access to Python’s configuration information	https://docs.python.org/dev/library/sysconfig.html
Report a bug	https://docs.python.org/dev/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/sys.monitoring.rst?plain=1
index	https://docs.python.org/dev/genindex.html
modules	https://docs.python.org/dev/py-modindex.html
next	https://docs.python.org/dev/library/sysconfig.html
previous	https://docs.python.org/dev/library/sys.html
Python	https://www.python.org/
3.15.0a5 Documentation	https://docs.python.org/dev/index.html
The Python Standard Library	https://docs.python.org/dev/library/index.html
Python Runtime Services	https://docs.python.org/dev/library/python.html
sys.monitoring — Execution event monitoring	https://docs.python.org/dev/library/sys.monitoring.html
¶	https://docs.python.org/dev/library/sys.monitoring.html#module-sys.monitoring
sys.monitoring	https://docs.python.org/dev/library/sys.monitoring.html#module-sys.monitoring
sys	https://docs.python.org/dev/library/sys.html#module-sys
sys.monitoring	https://docs.python.org/dev/library/sys.monitoring.html#module-sys.monitoring
Tool identifiers	https://docs.python.org/dev/library/sys.monitoring.html#tool-identifiers
Events	https://docs.python.org/dev/library/sys.monitoring.html#events
Callbacks	https://docs.python.org/dev/library/sys.monitoring.html#callbacks
¶	https://docs.python.org/dev/library/sys.monitoring.html#tool-identifiers
¶	https://docs.python.org/dev/library/sys.monitoring.html#registering-and-using-tools
int	https://docs.python.org/dev/library/functions.html#int
str	https://docs.python.org/dev/library/stdtypes.html#str
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.use_tool_id
ValueError	https://docs.python.org/dev/library/exceptions.html#ValueError
int	https://docs.python.org/dev/library/functions.html#int
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.clear_tool_id
int	https://docs.python.org/dev/library/functions.html#int
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.free_tool_id
clear_tool_id()	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.clear_tool_id
int	https://docs.python.org/dev/library/functions.html#int
str	https://docs.python.org/dev/library/stdtypes.html#str
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.get_tool
¶	https://docs.python.org/dev/library/sys.monitoring.html#events
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_LEFT
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_RIGHT
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-CALL
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RAISE
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RETURN
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-EXCEPTION_HANDLED
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-INSTRUCTION
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-JUMP
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-LINE
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RESUME
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RETURN
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_START
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_THROW
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_UNWIND
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_YIELD
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RAISE
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RERAISE
finally	https://docs.python.org/dev/reference/compound_stmts.html#finally
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
StopIteration	https://docs.python.org/dev/library/exceptions.html#StopIteration
the STOP_ITERATION event	https://docs.python.org/dev/library/sys.monitoring.html#the-stop-iteration-event
PY_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RETURN
PY_START	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_START
¶	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-NO_EVENTS
¶	https://docs.python.org/dev/library/sys.monitoring.html#local-events
PY_START	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_START
PY_RESUME	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RESUME
PY_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RETURN
PY_YIELD	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_YIELD
CALL	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-CALL
LINE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-LINE
INSTRUCTION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-INSTRUCTION
JUMP	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-JUMP
BRANCH_LEFT	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_LEFT
BRANCH_RIGHT	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_RIGHT
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
¶	https://docs.python.org/dev/library/sys.monitoring.html#deprecated-event
BRANCH_LEFT	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_LEFT
BRANCH_RIGHT	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_RIGHT
¶	https://docs.python.org/dev/library/sys.monitoring.html#ancillary-events
C_RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RAISE
C_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RETURN
C_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RETURN
C_RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RAISE
CALL	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-CALL
C_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RETURN
C_RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RAISE
CALL	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-CALL
¶	https://docs.python.org/dev/library/sys.monitoring.html#other-events
DISABLE	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.DISABLE
PY_THROW	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_THROW
PY_UNWIND	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_UNWIND
RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RAISE
EXCEPTION_HANDLED	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-EXCEPTION_HANDLED
¶	https://docs.python.org/dev/library/sys.monitoring.html#the-stop-iteration-event
PEP 380	https://peps.python.org/pep-0380/#use-of-stopiteration-to-return-values
StopIteration	https://docs.python.org/dev/library/exceptions.html#StopIteration
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RAISE
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RAISE
StopIteration	https://docs.python.org/dev/library/exceptions.html#StopIteration
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RAISE
StopIteration	https://docs.python.org/dev/library/exceptions.html#StopIteration
¶	https://docs.python.org/dev/library/sys.monitoring.html#turning-events-on-and-off
¶	https://docs.python.org/dev/library/sys.monitoring.html#setting-events-globally
int	https://docs.python.org/dev/library/functions.html#int
int	https://docs.python.org/dev/library/functions.html#int
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.get_events
int	https://docs.python.org/dev/library/functions.html#int
int	https://docs.python.org/dev/library/functions.html#int
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.set_events
ValueError	https://docs.python.org/dev/library/exceptions.html#ValueError
¶	https://docs.python.org/dev/library/sys.monitoring.html#per-code-object-events
types.CodeType	https://docs.python.org/dev/library/types.html#types.CodeType
Monitoring C API	https://docs.python.org/dev/c-api/monitoring.html#c-api-monitoring
int	https://docs.python.org/dev/library/functions.html#int
CodeType	https://docs.python.org/dev/library/types.html#types.CodeType
int	https://docs.python.org/dev/library/functions.html#int
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.get_local_events
local events	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-local
int	https://docs.python.org/dev/library/functions.html#int
CodeType	https://docs.python.org/dev/library/types.html#types.CodeType
int	https://docs.python.org/dev/library/functions.html#int
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.set_local_events
local events	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-local
ValueError	https://docs.python.org/dev/library/exceptions.html#ValueError
¶	https://docs.python.org/dev/library/sys.monitoring.html#disabling-events
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.DISABLE
Local events	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-local
sys.monitoring.DISABLE	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.DISABLE
DISABLE	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.DISABLE
global event	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-global
ValueError	https://docs.python.org/dev/library/exceptions.html#ValueError
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.restart_events
sys.monitoring.DISABLE	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.DISABLE
¶	https://docs.python.org/dev/library/sys.monitoring.html#registering-callback-functions
int	https://docs.python.org/dev/library/functions.html#int
int	https://docs.python.org/dev/library/functions.html#int
Callable	https://docs.python.org/dev/library/collections.abc.html#collections.abc.Callable
None	https://docs.python.org/dev/library/constants.html#None
Callable	https://docs.python.org/dev/library/collections.abc.html#collections.abc.Callable
None	https://docs.python.org/dev/library/constants.html#None
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.register_callback
register_callback()	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.register_callback
auditing event	https://docs.python.org/dev/library/sys.html#auditing
¶	https://docs.python.org/dev/library/sys.monitoring.html#callback-function-arguments
¶	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.MISSING
DISABLE	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.DISABLE
PY_START	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_START
PY_RESUME	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RESUME
PY_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_RETURN
PY_YIELD	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_YIELD
CALL	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-CALL
C_RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RAISE
C_RETURN	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-C_RETURN
MISSING	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.MISSING
sys.monitoring.MISSING	https://docs.python.org/dev/library/sys.monitoring.html#sys.monitoring.MISSING
RAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RAISE
RERAISE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-RERAISE
EXCEPTION_HANDLED	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-EXCEPTION_HANDLED
PY_UNWIND	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_UNWIND
PY_THROW	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-PY_THROW
STOP_ITERATION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-STOP_ITERATION
LINE	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-LINE
BRANCH_LEFT	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_LEFT
BRANCH_RIGHT	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-BRANCH_RIGHT
JUMP	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-JUMP
INSTRUCTION	https://docs.python.org/dev/library/sys.monitoring.html#monitoring-event-INSTRUCTION
Table of Contents	https://docs.python.org/dev/contents.html
sys.monitoring — Execution event monitoring	https://docs.python.org/dev/library/sys.monitoring.html
Tool identifiers	https://docs.python.org/dev/library/sys.monitoring.html#tool-identifiers
Registering and using tools	https://docs.python.org/dev/library/sys.monitoring.html#registering-and-using-tools
Events	https://docs.python.org/dev/library/sys.monitoring.html#events
Local events	https://docs.python.org/dev/library/sys.monitoring.html#local-events
Deprecated event	https://docs.python.org/dev/library/sys.monitoring.html#deprecated-event
Ancillary events	https://docs.python.org/dev/library/sys.monitoring.html#ancillary-events
Other events	https://docs.python.org/dev/library/sys.monitoring.html#other-events
The STOP_ITERATION event	https://docs.python.org/dev/library/sys.monitoring.html#the-stop-iteration-event
Turning events on and off	https://docs.python.org/dev/library/sys.monitoring.html#turning-events-on-and-off
Setting events globally	https://docs.python.org/dev/library/sys.monitoring.html#setting-events-globally
Per code object events	https://docs.python.org/dev/library/sys.monitoring.html#per-code-object-events
Disabling events	https://docs.python.org/dev/library/sys.monitoring.html#disabling-events
Registering callback functions	https://docs.python.org/dev/library/sys.monitoring.html#registering-callback-functions
Callback function arguments	https://docs.python.org/dev/library/sys.monitoring.html#callback-function-arguments
sys — System-specific parameters and functions	https://docs.python.org/dev/library/sys.html
sysconfig — Provide access to Python’s configuration information	https://docs.python.org/dev/library/sysconfig.html
Report a bug	https://docs.python.org/dev/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/sys.monitoring.rst?plain=1
index	https://docs.python.org/dev/genindex.html
modules	https://docs.python.org/dev/py-modindex.html
next	https://docs.python.org/dev/library/sysconfig.html
previous	https://docs.python.org/dev/library/sys.html
Python	https://www.python.org/
3.15.0a5 Documentation	https://docs.python.org/dev/index.html
The Python Standard Library	https://docs.python.org/dev/library/index.html
Python Runtime Services	https://docs.python.org/dev/library/python.html
sys.monitoring — Execution event monitoring	https://docs.python.org/dev/library/sys.monitoring.html
Copyright	https://docs.python.org/dev/copyright.html
History and License	https://docs.python.org/license.html
Please donate.	https://www.python.org/psf/donations/
Found a bug	https://docs.python.org/bugs.html
Sphinx	https://www.sphinx-doc.org/

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